<!--
@AURALINUX-DENY:*
@AURALINUX-ALLOW:STATE-CHANGE:EXPANDED*
@AURALINUX-ALLOW:STATE-CHANGE:SHOWING*
@MAC-DENY:*
@MAC-ALLOW:AXExpandedChanged*
@MAC-ALLOW:AXMenu*
@WIN-DENY:*
@WIN-ALLOW:EVENT_OBJECT_STATECHANGE*
@WIN-ALLOW:EVENT_SYSTEM_MENUPOPUP*
@UIA-WIN-DENY:*
@UIA-WIN-ALLOW:ExpandCollapse*
@UIA-WIN-ALLOW:Menu*
@UIA-WIN-ALLOW:Name*
-->
<!DOCTYPE html>
<style>
ul { list-style-type: none;}
</style>
<ul role="menubar" id="menubar">
  <li role="menuitem" id="file-menuitem" aria-haspopup="true" aria-label="File">File
    <ul role="menu" id="file-menu" aria-label="File">
      <li role="menuitem" id="new-menuitem" aria-haspopup="true" aria-label="New">New
	<ul role="menu" id="new-menu" aria-label="New">
	  <li role="menuitem">Document</li>
	  <li role="menuitem">Spreadsheet</li>
	  <li role="menuitem">Presentation</li>
	</ul>
      </li>
      <li role="menuitem">Open...</li>
      <li role="menuitem">Quit</li>
    </ul>
  </li>
  <li role="menuitem">About</li>
</ul>
<span id="status" tabindex="0"></span>
<script>
  fileMenu = document.getElementById("file-menu");
  fileMenuItem = document.getElementById("file-menuitem");
  newMenu = document.getElementById("new-menu");
  newMenuItem = document.getElementById("new-menuitem");
  menubar = document.getElementById("menubar");
  setInitialState();

  function setInitialState() {
    newMenu.style.display = "none";
    newMenuItem.setAttribute("aria-expanded", "false");
    fileMenu.style.display = "none";
    fileMenuItem.setAttribute("aria-expanded", "false");
  }

  function updateStatus(string) {
    document.getElementById("status").innerText = string;
  }

  function openFileMenu() {
    fileMenu.style.display = "block";
    fileMenuItem.setAttribute("aria-expanded", "true");
    updateStatus("open file done");
  }

  function closeFileMenu() {
    fileMenu.style.display = "none";
    fileMenuItem.setAttribute("aria-expanded", "false");
  }

  function openNewMenu() {
    newMenu.style.display = "block";
    newMenuItem.setAttribute("aria-expanded", "true");
    updateStatus("open new done");
  }

  function closeNewMenu() {
    newMenu.style.display = "none";
    newMenuItem.setAttribute("aria-expanded", "false");
  }

  function openFileAndNewMenus() {
    // We don't call openFileMenu() and openNewMenu() here because those
    // functions also call updateStatus() which might cause the event
    // recorder to conclude it had obtained every event.
    fileMenu.style.display = "block";
    fileMenuItem.setAttribute("aria-expanded", "true");
    newMenu.style.display = "block";
    newMenuItem.setAttribute("aria-expanded", "true");
    updateStatus("open file and new done");
  }

  function closeFileAndNewMenus() {
    closeNewMenu();
    closeFileMenu();
    updateStatus("close file and new done");
  }

  function hideMenubar() {
    menubar.style.display = "none";
    updateStatus("hide menubar done");
  }

  function showMenubar() {
    setInitialState();
    menubar.style.display = "block";
    updateStatus("show menubar done");
  }

  const go_passes = [
    () => openFileAndNewMenus(),
    () => closeFileAndNewMenus(),

    // This should not generate any events because the parent container has
    // display:none.
    () => openNewMenu(),

    // This should generate events for both menus, because functionally they
    // are now both being displayed.
    () => openFileMenu(),

    // When the menubar is hidden, we want to be sure menus which fired events
    // to notify they were showing also fire events notifying they were closed.
    () => hideMenubar(),

    // There should be no menu-related events here.
    () => showMenubar(),
  ];

  var current_pass = 0;
  function go() {
    go_passes[current_pass++].call();
    return current_pass < go_passes.length;
  }
</script>
